package cn.wen.gulimall.product.app;

import java.util.*;

import cn.wen.common.utils.R;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import cn.wen.gulimall.product.entity.CategoryEntity;
import cn.wen.gulimall.product.service.CategoryService;


/**
 * 商品三级分类
 *
 * @author fy
 * @email 932043654@qq.com
 * @date 2022-04-02 00:29:24
 */
@RestController
@RequestMapping("product/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 查出所有的分类及子分类，以树形组装起来
     */
    @RequestMapping("/list/tree")
    public R list(){
        List<CategoryEntity> treeList = categoryService.listWithTree();
        for (CategoryEntity categoryEntity : treeList) {
            System.out.println(categoryEntity);
        }
        return R.ok().put("data", treeList);
    }


    /**
     * 信息
     */
    @RequestMapping("/info/{catId}")
    public R info(@PathVariable("catId") Long catId){
		CategoryEntity category = categoryService.getById(catId);

        return R.ok().put("data", category);
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
    public R save(@RequestBody CategoryEntity category){
		categoryService.save(category);

        return R.ok();
    }

    /**
     * 批量修改
     */
    @RequestMapping("/update/sort")
    public R updateSort(@RequestBody CategoryEntity[] category) {
        categoryService.updateBatchById(Arrays.asList(category));
        return R.ok();
    }
    /**
     * 修改
     */
    @RequestMapping("/update")
    public R update(@RequestBody CategoryEntity category){
		categoryService.updateCascade(category);

        return R.ok();
    }

    /**
     * 删除
     * @RequestBody 获取请求体，必须发送POST请求
     * SpringMVC 自动将请求体的数据 转为对应的对象
     */
    @RequestMapping("/delete")
    public R delete(@RequestBody Long[] catIds){
        // 1、检查当前删除的菜单是否被别的地方引用
        categoryService.removeMenuByIds(Arrays.asList(catIds));
		categoryService.removeByIds(Arrays.asList(catIds));

        return R.ok();
    }

}
